Revenue Recognition Revenue Recognition (Details 3)	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	100.00%	100.00%	100.00%
Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	29.40%	28.50%	28.40%
Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	21.10%	20.20%	20.80%
General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	20.50%	20.60%	20.30%
Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	18.00%	19.10%	19.80%
Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	11.00%	11.60%	10.70%
Service Center Based Distribution Segment [Member]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	100.00%	100.00%	100.00%
Service Center Based Distribution Segment [Member] | Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	37.70%	37.30%	37.10%
Service Center Based Distribution Segment [Member] | Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	14.10%	13.30%	12.80%
Service Center Based Distribution Segment [Member] | General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	22.10%	21.10%	20.90%
Service Center Based Distribution Segment [Member] | Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	26.10%	28.30%	29.20%
Service Center Based Distribution Segment [Member] | Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	0.00%	0.00%	0.00%
Engineered Solutions Segment
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	100.00%	100.00%	100.00%
Engineered Solutions Segment | Power Transmission [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	11.30%	10.60%	10.60%
Engineered Solutions Segment | Fluid Power [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	36.30%	34.30%	37.20%
Engineered Solutions Segment | General Maintenance; Hose Products [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	17.20%	19.30%	18.90%
Engineered Solutions Segment | Bearings, Linear & Seals [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	0.40%	0.40%	0.40%
Engineered Solutions Segment | Specialty Flow Control [Domain]
Disaggregation of Revenue [Line Items]
Disaggregated Revenue by Product Line, Percent	34.80%	35.40%	32.90%